CN109113731A - Vertical well and horizontal well combined steam flooding thickened oil exploitation physical simulation system and method - Google Patents
Vertical well and horizontal well combined steam flooding thickened oil exploitation physical simulation system and method Download PDFInfo
- Publication number
- CN109113731A CN109113731A CN201810775398.4A CN201810775398A CN109113731A CN 109113731 A CN109113731 A CN 109113731A CN 201810775398 A CN201810775398 A CN 201810775398A CN 109113731 A CN109113731 A CN 109113731A
- Authority
- CN
- China
- Prior art keywords
- well
- steam
- valve
- horizontal well
- injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004088 simulation Methods 0.000 title claims abstract description 35
- 238000010795 Steam Flooding Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000002347 injection Methods 0.000 claims abstract description 95
- 239000007924 injection Substances 0.000 claims abstract description 95
- 239000003921 oil Substances 0.000 claims abstract description 74
- 238000011084 recovery Methods 0.000 claims abstract description 44
- 239000006260 foam Substances 0.000 claims abstract description 42
- 239000012530 fluid Substances 0.000 claims abstract description 36
- 238000010793 Steam injection (oil industry) Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000004576 sand Substances 0.000 claims description 29
- 239000011435 rock Substances 0.000 claims description 14
- 229920006395 saturated elastomer Polymers 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 9
- 230000032683 aging Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 3
- VEMKTZHHVJILDY-UHFFFAOYSA-N resmethrin Chemical compound CC1(C)C(C=C(C)C)C1C(=O)OCC1=COC(CC=2C=CC=CC=2)=C1 VEMKTZHHVJILDY-UHFFFAOYSA-N 0.000 claims description 3
- 235000020681 well water Nutrition 0.000 claims 1
- 239000002349 well water Substances 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000005465 channeling Effects 0.000 abstract description 7
- 239000000295 fuel oil Substances 0.000 abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 27
- 239000007789 gas Substances 0.000 description 24
- 239000010410 layer Substances 0.000 description 21
- 239000010779 crude oil Substances 0.000 description 9
- 239000000243 solution Substances 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000006004 Quartz sand Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/166—Injecting a gaseous medium; Injecting a gaseous medium and a liquid medium
- E21B43/168—Injecting a gaseous medium
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The embodiment of the application provides a vertical well and horizontal well combined steam flooding thickened oil exploitation physical simulation system and method, and the system comprises: the reservoir physical model is used for simulating thin-layer super heavy oil; the reservoir physical model is provided with a horizontal well production well and at least one vertical well injection well; the steam injection device is used for injecting steam into the reservoir model so as to carry out steam flooding heavy oil recovery; the gas foam injection device is used for injecting gas foam into the reservoir model when the water content of the fluid produced by the horizontal well production well reaches a preset value; a fluid collection device for receiving fluid produced by the horizontal well production well; the data acquisition device is used for acquiring and recording experimental data; the experimental data included pressure, temperature and flow rate. The steam channeling in the combined steam flooding process of the vertical well and the horizontal well can be reduced or prevented.
Description
Technical field
This application involves the Technology of Heavy Oil Recovery fields, drive thickened oil recovery more particularly, to a kind of straight well horizontal well combined steam
Physical simulation system and method.
Background technique
Viscous crude is most prospect of generally acknowledged 21 century and one of making & breaking the most real, and viscous crude, which removes, has conventional crude
Characteristic outside or the key areas production critical product such as national defence, space flight, metallurgy and drug can not obtain scarce raw material, make
With not replacing.With going deep into for exploitation, heavy oil development has been transferred to the key stage developed to difficult-to-produce reserves, thin layer super-viscous oil
Oil reservoir is the difficult main part for employing heavy oil reserves, and reserves scale is up to 700,000,000 tons.Its exploiting tech for principal part " horizontal well is handled up " production capacity
Reach 3,000,000 tons, but due to shadow the problems such as, stratum scarce capacity low by horizontal segment development degree, channeling channel in recovery process
It rings, recovery ratio is generally below 20% after conventional horizontal well is handled up.
Steam drive at present can be used as the substituted technique in steam soak later period and gulp down for a long time since reservoir permeability difference is big
The high permeability formation steamchanneling channel meeting further expansion recovered the oil and formed is spat, therefore how to control channeling, expand vapour drive swept volume
Coefficient is the key that vapour drives success or failure.Studies have shown that for thin layer super-heavy oil deposit, when using straight well steam drive development, single layer control
Reserves processed are low；Drainage area can then be significantly increased using horizontal well steam drive development, expand the swept volume of steam, enhancing is led
Stream ability reduces producing pressure differential, improves the recovery ratio of oil reservoir, but be more susceptible to fluid-channeling channel with horizontal wells thin layer super-viscous oil
The problems such as influencing, net horizontal section is caused to employ unevenness, High water cut.Therefore, it may be considered that by the horizontal well group of thin layer super-viscous oil straight well
It closes steam and drives and handle up later period substituted technique as horizontal well.However, to realize that thin layer super-viscous oil straight well horizontal well combined steam is driven,
There is still a need for solve the problems, such as how to prevent channeling in steam-drive process.
Summary of the invention
The embodiment of the present application is designed to provide a kind of straight well horizontal well combined steam drive thickened oil recovery physical analogy system
System and method, to reduce or prevent the channeling during straight well horizontal well combined steam is driven.
In order to achieve the above objectives, on the one hand, the embodiment of the present application provides a kind of straight well horizontal well combined steam drive viscous crude
Exploit physical simulation system, comprising:
Reservoir model, for simulating thin layer super-viscous oil；The reservoir model is equipped with horizontal well producing well and extremely
A few straight well injection well；
Steam injection device drives thickened oil recovery for injecting steam to the reservoir model to carry out steam；
Gas bubble injection device, the moisture content for the fluid when the horizontal well producing well output reach preset value
When, gas bubble is injected to the reservoir model；
Fluid collection device, for receiving the fluid of the horizontal well producing well output；
Data acquisition device, for collecting and recording experimental data；The experimental data includes pressure, temperature and flow.
The straight well horizontal well combined steam of the embodiment of the present application drives thickened oil recovery physical simulation system, the reservoir physics mould
Type includes lower box and upper cover plate, and the lower box is cylindrical and it is filled with the sand body for simulating thin layer super-viscous oil,
The surrounding of the sand body and top are coated with mud layer, and pressurization mouth is offered on the upper cover plate, be equipped in the lower box with
The piston of the pressurization mouth cooperation, the piston are located at the top of the mud layer at the top of the sand body, and the straight well injection well enters
Mouth end and the outlet end of the horizontal well producing well are equipped with pressure sensor, are equipped with multilayer temperature sensor in the sand body
Group, every layer of temperature sensor group include several regularly arranged temperature sensors.
The straight well horizontal well combined steam of the embodiment of the present application drives thickened oil recovery physical simulation system, the reservoir physics mould
Type is located in heated constant temperature case.
The straight well horizontal well combined steam of the embodiment of the present application drives thickened oil recovery physical simulation system, the gas bubble note
Entering device includes high-pressure air source, drier, flow sensor, check valve, the first pressure sensor with display, the first ISCO note
Enter pump, foam liquid container, foam maker, the first valve, the second valve, third valve, the 4th valve and the 5th valve；
The gas outlet of the high-pressure air source is sequentially connected the first valve, drier, flow sensor, check valve, band display
First pressure sensor, the second valve and foam maker input terminal；The output end of the first ISCO injection pump is successively
The input terminal of the 4th valve, foam liquid container, the 5th valve and the foam maker is connected, third valve is located at the foam
The output end of generator, and the output end of the foam maker is injected by the first pipeline with heating device and the straight well
Well is connected.
The straight well horizontal well combined steam of the embodiment of the present application drives thickened oil recovery physical simulation system, the foam maker
Output end be connected with the 6th valve, the first back-pressure valve and the second pressure sensor with display in turn.
The straight well horizontal well combined steam of the embodiment of the present application drives thickened oil recovery physical simulation system, the reservoir physics mould
Type is set there are four straight well injection well, and the steam injection device includes the first steam injection device and the second steam injection device；
First steam injection device includes the 2nd ISCO injection pump, the tenth valve and the first steam hair being sequentially connected
Raw device, the outlet end of first steam generator are equipped with the 11st valve, and by the third pipeline with heating device and directly
Well injection well is connected；
Second steam injection device includes the 3rd ISCO injection pump, the 7th valve and the second steam hair being sequentially connected
The outlet end of raw device, second steam generator is equipped with the 9th valve, and passes through the second pipeline and straight well with heating device
Injection well is connected.
The straight well horizontal well combined steam of the embodiment of the present application drives thickened oil recovery physical simulation system, the first steam hair
The outlet end of raw device is connected with the 12nd valve, the second back-pressure valve and the third pressure sensor with display in turn；Described second
The outlet end of steam generator is connected with the 8th valve, third back-pressure valve and the 4th pressure sensor with display in turn.
The straight well horizontal well combined steam of the embodiment of the present application drives thickened oil recovery physical simulation system, the fluid collection dress
Set the 13rd valve and the 4th back-pressure valve including being sequentially connected with the output end of the horizontal well producing well, the 4th back pressure
First output end of valve is connected with the 5th pressure sensor with display, sets below the second output terminal of the 4th back-pressure valve
It is equipped with the beaker of the fluid for collecting the horizontal well producing well output.
The straight well horizontal well combined steam of the embodiment of the present application drives thickened oil recovery physical simulation system, the horizontal well production
The output end of well is also connected with the 5th back-pressure valve and the 6th pressure sensor with display in turn.
On the other hand, thickened oil recovery is driven using above-mentioned straight well horizontal well combined steam the embodiment of the present application also provides a kind of
The straight well horizontal well combined steam of physical simulation system drives thickened oil recovery physical simulating method, comprising:
Rock core saturated water successively is carried out to the reservoir model and rock core is saturated oil processing；
Aging process is carried out to the reservoir model after rock core saturated oils, to simulate super-viscous oil；
Steam is injected to the reservoir model after aging using steam injection device, drives thickened oil recovery, and benefit to carry out steam
The fluid of the horizontal well producing well output is received with fluid collection device；
During carrying out steam drive thickened oil recovery, when the moisture content of the fluid of the horizontal well producing well output reaches pre-
If when value, gas bubble is injected using to the reservoir model, to inhibit steam crossfire.
As can be seen from the technical scheme provided by the above embodiments of the present application, in the embodiment of the present application, when horizontal well producing well produces
When the moisture content of fluid out reaches preset value, gas bubble can be injected to reservoir model, and these gas bubbles can make steam
Part is obtained to top expansion rate in reservoir model to inhibit, so that moisture content is reduced, leading edge temperature field
It is adjusted, to keep temperature field extension more uniform, increases the swept volume of steam, thus it is prominent to reduce steam individual well
Into with the vapour string phenomenon such as steam overlap, and increase affected area between well, expand whole swept volume, improve steam drive
Effect.So as to drive the effective exploitation technology offer data support for improving gas oil ratio to thin layer super-heavy oil deposit steam, facilitate
Subsequent theoretical research and numerical simulation study.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is that straight well horizontal well combined steam drives thickened oil recovery physical simulation system composed structure in one embodiment of the application
Block diagram；
Fig. 2 is the structure sectional view of reservoir model in one embodiment of the application；
Fig. 3 is the top view view of reservoir model in one embodiment of the application；
Fig. 4 is that the structure that straight well horizontal well combined steam drives thickened oil recovery physical simulation system in one embodiment of the application is shown
It is intended to；
Fig. 5 is the process that straight well horizontal well combined steam drives thickened oil recovery physical simulating method in one embodiment of the application
Figure.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
The application protection all should belong in technical staff's every other embodiment obtained without creative efforts
Range.Such as in being described below, second component is formed above the first component, may include the first component and second component
It can also include the first component and second component in a manner of non-direct contact (i.e. the with the embodiment that the direct way of contact is formed
Can also include additional component between one component and second component) embodiment etc. that is formed.
Moreover, for ease of description, some embodiments of the application can be used such as " in ... top ", " ... under ",
The spatially relative terms such as " top ", " lower section ", with description such as each element shown in the drawings of embodiment or component and another
Relationship between (or other) element or component.It should be understood that space is opposite other than the orientation described in the attached drawing
Term also aims to the different direction including device in use or operation.If such as the device in attached drawing is reversed, and is described
For the element or component of " " other elements or component " below " or " under ", it will then be positioned as " " other elements or portion
Part " top " or " on ".
Refering to what is shown in Fig. 1, the straight well horizontal well combined steam drive thickened oil recovery physical simulation system of the embodiment of the present application can
To include reservoir model 1, steam injection device 2a, gas bubble injection device 2b, fluid collection device 3 and data acquisition
Device 4.Wherein, reservoir model 1 can be used for simulating thin layer super-viscous oil；It is raw that the reservoir model can be equipped with horizontal well
Produce well and at least one straight well injection well.Steam injection device 2a can be used for injecting steam to the reservoir model, to carry out
Steam drives thickened oil recovery.Gas bubble injection device 2b can be used for the moisture content when the fluid of the horizontal well producing well output
When reaching preset value, gas bubble is injected to the reservoir model.It is raw that fluid collection device 3 can be used for receiving the horizontal well
Produce the fluid of well output.Data acquisition device 4 can be used for collecting and recording experimental data；The experimental data for example can wrap
Include pressure, temperature and flow etc..
It can be seen that in the embodiment of the present application, since the moisture content of the fluid when horizontal well producing well output reaches pre-
If when value, can inject gas bubble to reservoir model, and these gas bubbles can make steam in reservoir model 1 to top
Expansion rate obtains part inhibition, so that moisture content is reduced, leading edge temperature field is adjusted, to make temperature field
It extends more uniform, increases the swept volume of steam, thus reduce steam individual well and advance by leaps and bounds and the vapour string phenomenons such as steam overlap,
And affected area between well is increased, whole swept volume is expanded, steam is improved and drives effect.So as to thin layer super-viscous oil
Reservoir With Steam drives the effective exploitation technology offer data support for improving gas oil ratio, facilitates subsequent theoretical research and numerical simulation
Research.
In one embodiment of the application, in conjunction with shown in Fig. 2 and Fig. 3, the reservoir model includes lower box 12 and upper
Cover board 117, can be fixed by passing through the high-strength bolt 11 on ring flange between the lower box 12 and the upper cover plate 117.Its
In, it may be provided with seal groove 115 on the lower box 12, can be equipped in the seal groove 115 high-temperature and high-presure resistent close
Strip of paper used for sealing 116 so can be achieved to be tightly connected between the lower box 12 and the upper cover plate 117.The lower box 12 can be used
It is stainless steel welded to form, it can tolerate up to 300 DEG C of temperature, pressure resistance is up to 30MPa.
In one embodiment of the application, in conjunction with shown in Fig. 2 and Fig. 3, the lower box 12 can for it is cylindrical and its in fill out
Filled with the sand body (sand body material may be, for example, quartz sand) for simulating thin layer super-viscous oil, the surrounding of the sand body and top cladding
There is mud layer 114.Such sand body is used as upper cap rock as oil reservoir, sand body top mud layer 114, and the bottom of lower box 12 is as lower cap rock
It is formed three-dimensional formation, the sand fraction of different location height can be used as the oil reservoir of different depth, so as to good
Simulation stratum condition, and to simulate finite boundary radial fluid flow well.Since the thermal coefficient of soil is than gold such as steels
The thermal coefficient of category is much smaller, and reservoir model 1 when steam drive note adopts operation can be effectively prevented in this way and occur significantly
Heat dissipation.In addition, what the mud layer 114 around sand body was not only simulated well the actual conditions of subsurface deposit, can also prevent
Along four walls of the lower box 12 channeling occurs for steam.
In one embodiment of the application, in conjunction with shown in Fig. 2 and Fig. 3, pressurization mouth 118 is offered on the upper cover plate 117, is added
Pressure mouth 118 may be disposed at the center of upper cover plate 117, and aperture may be about 1/8 inch.Be equipped in the lower box 12 with it is described
The piston 119 that the mouth 118 that pressurizes cooperates, the piston 119 are located at the top of the mud layer 114 at the top of the sand body.It pressurizes when passing through
When mouth 118 pressurizes into lower box 12, forces piston 119 down along movement, consequently facilitating being compacted levelling sand body, prevent sand body from filling
It is not firm and cause permeability high, moreover, by the levelling steam that can also further be beneficial to prevent in sand face along sand body and mud layer
Issuable channeling between 114.
In one embodiment of the application, in conjunction with shown in Fig. 2 and Fig. 3, the reservoir model set there are four straight well inject
Well (i.e. the first straight well injection well 13, the second straight well injection well 15, third straight well injection well 17 and the 4th straight well injection well 19).The
The arrival end point of one straight well injection well 13, the second straight well injection well 15, third straight well injection well 17 and the 4th straight well injection well 19
It is not correspondingly provided with the first pressure sensor 14 with display, the second pressure sensor 16 with display, the third pressure with display
Sensor 18 and the 4th pressure sensor 110 with display.The outlet end of horizontal well producing well 11 is equipped with the 5th pressure with display
Force snesor 112.And it can be supplied in real time or the pressure data of timing acquiring corresponding position by these pressure sensors
Data acquisition device 4.
In one embodiment of the application, horizontal well producing well 11 horizontal can be deployed in the sand body and lower part apart from sand body about
At 1.5cm, the first straight well injection well 13, the second straight well injection well 15, third straight well injection well 17 and the 4th straight well injection well
19 are distributed in 11 two sides of horizontal well producing well.In one embodiment of the application, the harvesting of straight well steam injection horizontal well can be selected
Well pattern, wherein horizontal well producing well 11, the first straight well injection well 13, the second straight well injection well 15,17 and of third straight well injection well
4th straight well injection well 19 can penetrate out completely as simulation wellbore hole.In one embodiment of the application, horizontal well producing well 11, first
Straight well injection well 13, the second straight well injection well 15, third straight well injection well 17 and the 4th straight well injection well 19 well casing internal diameter about
For 6mm, slot size is about 0.3mm × 0.8mm, and is high-precision laser slot well.In another embodiment of the application, such as
Fruit use laser opening mode, then bore size be diameter 0.25mm~0.3mm, each well average open cell about 60~240.For
Prevent quartz sand from entering simulation wellbore hole, in the external metallic sieve for wrapping up certain mesh number of every mouthful of simulation wellbore hole.
In one embodiment of the application, in conjunction with shown in Fig. 2 and Fig. 3, multilayer temperature sensor group is equipped in the sand body, often
Layer temperature sensor group includes several regularly arranged temperature sensors.The temperature sensor for example can be thermocouple
Deng.In one embodiment of the application, the temperature gaging hole of several regular distributions can be offered in the sand body, the temperature passes
Sensor can be installed in the temperature gaging hole.In conjunction with shown in Fig. 2 and Fig. 3, in one exemplary embodiment of the application, the sand
25 temperature gaging holes, the mountable thermocouple for there are three to be located at different height position in each temperature gaging hole can be offered in vivo
113, mountable 75 thermocouples 113 in such 25 temperature gaging holes, and 113 upper, middle and lower-ranking of thermocouple is evenly arranged.This
Outside, by arbitrary temp section in the available oil reservoir of software interpolation inverting.By temperature profile can understand judge steam and
Its heat front is in plane and longitudinal Distribution Pattern.In one embodiment of the application, polytetrafluoroethylene (PTFE) is can be used in thermocouple 113
Sealing means are installed in temperature gaging hole, as needed, can arbitrarily transfer the vertical height of thermocouple 113 before sealing every time, i.e.,
So that the steam for carrying out other core intersections is driven experiment can also be adjusted flexibly.
In one embodiment of the application, as shown in connection with fig. 4, the reservoir model 1 can be located at heated constant temperature case 120
It is interior, if temperature environment locating for thin layer super-viscous oil can be simulated preferably.
In one embodiment of the application, as shown in connection with fig. 4, the gas bubble injection device may include high-pressure air source
21, drier 22, flow sensor 23, check valve 24, with display first pressure sensor 25, the first ISCO injection pump 26,
Foam liquid container 27, foam maker 28, the first valve V1, the second valve V2, third valve V3, the 4th valve V4 and the 5th valve
Door V5.The gas outlet of the high-pressure air source 21 be sequentially connected the first valve V1, drier 22, flow sensor 23, check valve 24,
The input terminal of first pressure sensor 25, the second valve V2 and foam maker 28 with display；The first ISCO injection pump
26 output end is sequentially connected the input of the 4th valve V4, foam liquid container 27, the 5th valve V5 and the foam maker 28
End, third valve V3 is located at the output end of the foam maker 28, and the output end of the foam maker 28 passes through band companion
First pipeline 219 of thermal is connected with the first straight well injection well 13 and the 4th straight well injection well 19 respectively.First ISCO injection
Pump 26 can be used for will be in the foam solution injection foam maker 28 in foam liquid container 27；The high pressure gas that high-pressure air source 21 exports
(such as N2、CO2, air, flue gas etc.) foam solution that exports with foam liquid container 27 can produce after foam maker 28 mixes
Foam abundant.
In one embodiment of the application, as shown in connection with fig. 4, the output end of the foam maker 28 is also connected in turn
Six valve V6, the first back-pressure valve 29 and the second pressure sensor 210 with display.Straight to the first straight well injection well 13 and the 4th
Before well injection well 19 injects foam, it can be used for judging what foam maker 28 exported by the fluid that the first back-pressure valve 29 is discharged
Whether foam, which meets injection, requires.
In one embodiment of the application, as shown in connection with fig. 4, the steam injection device may include the first steam injection dress
Set with the second steam injection device, with corresponding with the first straight well injection well 13 and the 4th straight well injection well 19.Wherein, described
One steam injection device may include the 2nd ISCO injection pump 211, the tenth valve V10 and the first steam generator being sequentially connected
212, the outlet end of first steam generator 212 is equipped with the 11st valve V11, and passes through the third pipeline with heating device
221 are connected with the first straight well injection well 13 and the 4th straight well injection well 19.Second steam injection device may include successively
Connected the 3rd ISCO injection pump 215, the 7th valve V7 and the second steam generator 216, second steam generator 216
Outlet end is equipped with the 9th valve V9, and straight by the second pipeline 220 with heating device and the first straight well injection well 13 and the 4th
Well injection well 19 is connected.
In one embodiment of the application, as shown in connection with fig. 4, the outlet end of first steam generator 212 is sequentially connected
There are the 12nd valve V12, the second back-pressure valve 213 and the third pressure sensor 214 with display；Second steam generator
216 outlet end is connected with the 8th valve V8, third back-pressure valve 217 and the 4th pressure sensor 218 with display in turn.Second
The first straight well injection well of steam injection 13 and the 4th that ISCO injection pump 211 can be used for generating the first steam generator 212 is straight
Well injection well 19；The steam that 3rd ISCO injection pump 215 can be used for generating the second vapour generator 216 injects the injection of the first straight well
Well 13 and the 4th straight well injection well 19.Before injecting steam to the first straight well injection well 13 and the 4th straight well injection well 19, pass through
Second back-pressure valve 213, third back-pressure valve 217 be discharged fluid can be applied to judge the first steam generator 212, second steaming
Whether the steam of 216 foam maker 28 of vapour generator output, which meets injection, requires.
In one embodiment of the application, as shown in connection with fig. 4, the fluid collection device may include raw with the horizontal well
The 13rd valve V13 and the 4th back-pressure valve 32 that the output end of well 112 is sequentially connected are produced, the first of the 4th back-pressure valve 32 is defeated
Outlet is connected with the 5th pressure sensor 33 with display, and the lower section setting of the second output terminal of the 4th back-pressure valve 32 is useful
In the beaker 36 for the fluid for collecting 112 output of horizontal well producing well.In one embodiment of the application, as shown in connection with fig. 4, institute
The output end for stating horizontal well producing well 112 can also be connected with the 5th back-pressure valve 34 and the 6th pressure sensor with display in turn
35.When the 4th back-pressure valve 32 breaks down, the 5th back-pressure valve 34 can be enabled, at this moment, beaker 36 can be used for receiving the 5th back pressure
The fluid that valve 34 is discharged.
In one embodiment of the application, as shown in connection with fig. 4, the data acquisition device may include data acquisition and transmission
Device 41, computer 42 and UPS uninterruptible power supply 43.UPS uninterruptible power supply 43 be used for data acquisition with transmitting device 41 and
Computer 42 is powered, and data acquisition can be used for collecting above-mentioned temperature sensor, pressure sensor, flow with transmitting device 41 and pass
The data of the acquisitions such as sensor are simultaneously supplied to computer 42 and are saved and handled.
Refering to what is shown in Fig. 5, driving thickened oil recovery physical simulation system, the application based on above-mentioned straight well horizontal well combined steam
The straight well horizontal well combined steam of embodiment is driven thickened oil recovery physical simulating method and be may comprise steps of:
S501, rock core saturated water and rock core saturation oil processing successively are carried out to the reservoir model.
It is described that reservoir model progress rock core saturation water process may is that first from straight in one embodiment of the application
Reservoir model is vacuumized at well injection well well head, to reservoir object from straight well injection well well head after vacuumizing
Reason model is filled the water, the saturation so that sand body in reservoir model absorbs water.Reservoir can be calculated according to the weight of water suction
The pore volume of sand body in physical model.
It is described that reservoir model progress rock core saturation water process for example may is that in one embodiment of the application
Rock core be saturated water process after, by pressurization mouth 118 by the pressure of sand body in reservoir model boost to preset pressure (such as
4MPa etc.) and keep.Then, injection crude oil first can be carried out from the first straight well injection well 13, is carried out from third straight well injection well 17
Crude oil is produced, secondly injection crude oil can be carried out from the second straight well injection well 15, carry out extraction crude oil from the 4th straight well injection well 19,
Finally injection crude oil can be carried out from horizontal well producing well 111, and respectively from the first straight well injection well 13, the second straight well injection well
15, third straight well injection well 17 and the 4th straight well injection well 19 carry out extraction crude oil.It, can be with by the operation of above-mentioned oily driven water-replacing
So that saturated oils is full of in reservoir model in sand body gap.Since the crude oil of injection is super-viscous oil, the intermediate receptacle of crude oil
It can also be placed in insulating box and be injected, so that crude oil, which sufficiently heats, increases its mobility, convenient for injection.
S502, aging process is carried out to the reservoir model after rock core saturated oils, to simulate super-viscous oil.
In one embodiment of the application, since its mobility etc. occurs the reservoir model after saturated oils after being heated
Change, it, can be by heated constant temperature case 120 by reservoir physics after saturated oils for the practical oil reservoir situation of sufficiently simulation super-viscous oil
Model is down to reservoir temperature (such as 70 DEG C), and places progress aging in several days (such as 3 days).
S503, steam is injected to the reservoir model after aging using steam injection device, drives thickened oil recovery to carry out steam,
And the fluid of the horizontal well producing well output is received using fluid collection device.
In one embodiment of the application, when the first steam generator 212 is warming up to 251 DEG C of experimental temperature, can first it open
Connect the second back-pressure valve 213, the third pressure sensor 214 with display and third back-pressure valve 217, the 4th pressure with display
The bypass line of sensor 218 is then shut off bypass line after stablizing hot fluid by bypass line smoothness, starts from the
One straight well injection well 13 and the 4th straight well injection well 19 are continuously injected by bypass line smoothness into the reservoir model after aging
Stable steam；Horizontal well producing well 112 all penetrates out production, and steam injection rate can be 60ml/min, starts 100% steam
Drive production model.The temperature for continuing steam injection can be 251 DEG C, and pressure can be with 4MPa.
S504, carry out steam drive thickened oil recovery during, when the moisture content of the fluid of the horizontal well producing well output
When reaching preset value, gas bubble is injected using to the reservoir model, to inhibit steam crossfire.
In one embodiment of the application, during implementation steps S503, when the fluid of 112 output of horizontal well producing well
Moisture content when reaching preset value (such as 99.9%), gas bubble can be injected to the reservoir model, to be turned by steam
For steam gas foam flooding.Before this, the injection flow of gas and the injection rate of foam solution can be preset, then first
The first back-pressure valve 29 of connection, the bypass line with the second pressure sensor 210 shown are opened, foam is made to pass through bypass line stream
It is smooth stablize after, be then shut off bypass line, start from the first straight well injection well 13 and the 4th straight well injection well 19 to reservoir model
The interior injection foam stable by bypass line smoothness, to open the experiment of gas bubble assisted steam flooding.In the process, water
112 continuous production of horizontal well producing well.In one embodiment of the application, preferably, the gas liquid ratio of gas bubble can be 1:1, foam
Agent concentration can be 1%, and steam injection rate can be 60mL/min, and experiment cut-off condition can be 112 output of horizontal well producing well
The moisture content of fluid reach 99.5%.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
Include, so that process, method or equipment including a series of elements not only include those elements, but also including not having
There is the other element being expressly recited, or further includes for this process, method or the intrinsic element of equipment.Do not having more
In the case where more limitations, the element that is limited by sentence "including a ...", it is not excluded that including process, the side of the element
There is also other identical elements in method or equipment.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art
For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal
Replacement, improvement etc., should be included within the scope of the claims of this application.
Claims (10)
1. a kind of straight well horizontal well combined steam drives thickened oil recovery physical simulation system characterized by comprising
Reservoir model, for simulating thin layer super-viscous oil；The reservoir model is equipped with horizontal well producing well and at least one
A straight well injection well；
Steam injection device drives thickened oil recovery for injecting steam to the reservoir model to carry out steam；
Gas bubble injection device, for when the moisture content of the fluid of the horizontal well producing well output reaches preset value, to
The reservoir model injects gas bubble；
Fluid collection device, for receiving the fluid of the horizontal well producing well output；
Data acquisition device, for collecting and recording experimental data；The experimental data includes pressure, temperature and flow.
2. straight well horizontal well combined steam as described in claim 1 drives thickened oil recovery physical simulation system, which is characterized in that institute
Stating reservoir model includes lower box and upper cover plate, and the lower box is cylindrical and it is filled with super for simulating thin layer
The sand body of viscous crude, the surrounding of the sand body and top are coated with mud layer, and pressurization mouth, the lower box are offered on the upper cover plate
Piston with the pressurization mouth cooperation is inside installed, the piston is located at the top of the mud layer at the top of the sand body, the straight well
The outlet end of the arrival end of injection well and the horizontal well producing well is equipped with pressure sensor, is equipped with multilayer temperature in the sand body
Sensor group is spent, every layer of temperature sensor group includes several regularly arranged temperature sensors.
3. straight well horizontal well combined steam as described in claim 1 drives thickened oil recovery physical simulation system, which is characterized in that institute
Reservoir model is stated to be located in heated constant temperature case.
4. straight well horizontal well combined steam as described in claim 1 drives thickened oil recovery physical simulation system, which is characterized in that institute
Stating gas bubble injection device includes high-pressure air source, drier, flow sensor, check valve, the first pressure sensing with display
Device, the first ISCO injection pump, foam liquid container, foam maker, the first valve, the second valve, third valve, the 4th valve and
5th valve；
The gas outlet of the high-pressure air source is sequentially connected the first valve, drier, flow sensor, check valve, the with display
The input terminal of one pressure sensor, the second valve and foam maker；The output end of the first ISCO injection pump is sequentially connected
4th valve, foam liquid container, the 5th valve and the foam maker input terminal, third valve is located at foam generation
The output end of device, and the output end of the foam maker passes through the first pipeline with heating device and the straight well injection well phase
Even.
5. straight well horizontal well combined steam as claimed in claim 4 drives thickened oil recovery physical simulation system, which is characterized in that institute
The output end for stating foam maker is connected with the 6th valve, the first back-pressure valve and the second pressure sensor with display in turn.
6. straight well horizontal well combined steam as described in claim 1 drives thickened oil recovery physical simulation system, which is characterized in that institute
It states reservoir model to set there are four straight well injection well, the steam injection device includes that the first steam injection device and second are steamed
Vapour injection device；
First steam injection device includes the 2nd ISCO injection pump, the tenth valve and the first steam generation being sequentially connected
The outlet end of device, first steam generator is equipped with the 11st valve, and passes through third pipeline and straight well with heating device
Injection well is connected；
Second steam injection device includes the 3rd ISCO injection pump, the 7th valve and the second steam generation being sequentially connected
Device, the outlet end of second steam generator is equipped with the 9th valve, and is infused by the second pipeline with heating device and straight well
Enter well to be connected.
7. straight well horizontal well combined steam as claimed in claim 6 drives thickened oil recovery physical simulation system, which is characterized in that institute
The outlet end for stating the first steam generator is connected with the 12nd valve, the second back-pressure valve and the third pressure sensing with display in turn
Device；The outlet end of second steam generator is connected with the 8th valve, third back-pressure valve and the 4th pressure with display in turn
Sensor.
8. straight well horizontal well combined steam as described in claim 1 drives thickened oil recovery physical simulation system, which is characterized in that institute
Stating fluid collection device includes the 13rd valve and the 4th back-pressure valve being sequentially connected with the output end of the horizontal well producing well,
First output end of the 4th back-pressure valve is connected with the 5th pressure sensor with display, and the second of the 4th back-pressure valve is defeated
The beaker of the fluid for collecting the horizontal well producing well output is provided with below outlet.
9. straight well horizontal well combined steam as claimed in claim 8 drives thickened oil recovery physical simulation system, which is characterized in that institute
The output end for stating horizontal well producing well is also connected with the 5th back-pressure valve and the 6th pressure sensor with display in turn.
10. a kind of straight well water for driving thickened oil recovery physical simulation system using straight well horizontal well combined steam described in claim 1
Horizontal well combined steam drives thickened oil recovery physical simulating method characterized by comprising
Rock core saturated water successively is carried out to the reservoir model and rock core is saturated oil processing；
Aging process is carried out to the reservoir model after rock core saturated oils, to simulate super-viscous oil；
Steam is injected to the reservoir model after aging using steam injection device, drives thickened oil recovery to carry out steam, and utilize stream
Body collection device receives the fluid of the horizontal well producing well output；
During carrying out steam drive thickened oil recovery, when the moisture content of the fluid of the horizontal well producing well output reaches preset value
When, gas bubble is injected using to the reservoir model, to inhibit steam crossfire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810775398.4A CN109113731B (en) | 2018-07-16 | 2018-07-16 | Vertical well and horizontal well combined steam flooding thickened oil exploitation physical simulation system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810775398.4A CN109113731B (en) | 2018-07-16 | 2018-07-16 | Vertical well and horizontal well combined steam flooding thickened oil exploitation physical simulation system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109113731A true CN109113731A (en) | 2019-01-01 |
| CN109113731B CN109113731B (en) | 2022-06-03 |
Family
ID=64862611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810775398.4A Active CN109113731B (en) | 2018-07-16 | 2018-07-16 | Vertical well and horizontal well combined steam flooding thickened oil exploitation physical simulation system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109113731B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613214A (en) * | 2019-01-15 | 2019-04-12 | 中国地质大学（北京） | For studying interlayer to the experimental provision of SAGD mining effect |
| CN113006756A (en) * | 2019-12-20 | 2021-06-22 | 中国石油天然气股份有限公司 | Three-dimensional device, experimental system and method for simulating flooding and drainage combined exploitation of super heavy oil |
| CN114352248A (en) * | 2021-12-17 | 2022-04-15 | 常州大学 | Two-dimensional physical simulation experiment device for heavy oil thermal recovery and use method thereof |
| CN114814175A (en) * | 2021-01-28 | 2022-07-29 | 中国石油天然气股份有限公司 | Three-dimensional simulation experiment device and method for foam oil |
| CN115199246A (en) * | 2021-04-12 | 2022-10-18 | 中国石油天然气股份有限公司 | Simulation system and method for exploiting ultra-thick oil |
| CN115434678A (en) * | 2021-06-02 | 2022-12-06 | 中国石油天然气股份有限公司 | Thickened oil reservoir air injection huff and puff oil production physical simulation experiment device |
Citations (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3997004A (en) * | 1975-10-08 | 1976-12-14 | Texaco Inc. | Method for recovering viscous petroleum |
| US4177752A (en) * | 1978-08-24 | 1979-12-11 | Texaco Inc. | High vertical conformance steam drive oil recovery method |
| US5417283A (en) * | 1994-04-28 | 1995-05-23 | Amoco Corporation | Mixed well steam drive drainage process |
| CA2342955A1 (en) * | 2001-04-04 | 2002-10-04 | Roland P. Leaute | Liquid addition to steam for enhancing recovery of cyclic steam stimulation or laser-css |
| CN101122224A (en) * | 2006-08-11 | 2008-02-13 | 中国石油天然气股份有限公司 | Gravity assisted steam flooding exploitation method for thick-layer common heavy oil reservoir |
| CN101818636A (en) * | 2010-05-24 | 2010-09-01 | 中国石油天然气股份有限公司 | Three-dimensional simulation test device for oil extraction by injecting multi-element thermal fluid |
| CN102080522A (en) * | 2011-01-06 | 2011-06-01 | 中国石油化工股份有限公司 | Oil extraction method for oil deposit of shallow-layer super heavy oil |
| CN202381062U (en) * | 2011-09-29 | 2012-08-15 | 中国石油化工股份有限公司 | Three-dimensional physical simulation system for heavy oil horizontal well steam drive |
| CN102748018A (en) * | 2012-07-23 | 2012-10-24 | 中国石油天然气股份有限公司 | Heavy oil reservoir gas injection huff-puff oil production physical simulation experiment device and method |
| CN102852505A (en) * | 2012-09-24 | 2013-01-02 | 于文英 | Oil production method for thin-medium thick layer super heavy oil hard-to-recover reserve |
| CN102900415A (en) * | 2012-09-25 | 2013-01-30 | 中国石油天然气股份有限公司 | Deep and ultra-deep heavy oil reservoir double-horizontal well fire flooding oil drainage exploitation method |
| CN103032057A (en) * | 2011-09-29 | 2013-04-10 | 中国石油化工股份有限公司 | Steam-driven three-dimensional physical simulation system for thick oil horizontal well |
| CN103161458A (en) * | 2013-02-28 | 2013-06-19 | 中国海洋石油总公司 | Experimental device for simulating heavy oil reservoir gas auxiliary steam thermal oil recovery and special model system thereof |
| CN103174403A (en) * | 2013-03-08 | 2013-06-26 | 中国石油天然气股份有限公司 | Gravity and steam flooding combined mining method for thick-layer interlayer-containing common heavy oil reservoir |
| CN103452540A (en) * | 2013-09-18 | 2013-12-18 | 张方礼 | Edge water heavy oil reservoir steam-drive two-dimensional proportion physical simulation device and application method thereof |
| CN103603637A (en) * | 2013-10-28 | 2014-02-26 | 中国石油天然气股份有限公司 | Experimental device and system for exploiting super heavy oil by gas-assisted SAGD (steam assisted gravity drainage) |
| CN203594427U (en) * | 2013-09-18 | 2014-05-14 | 龚姚进 | Edge water heavy oil reservoir steam-drive two-dimensional proportion physical simulation device |
| CN104405356A (en) * | 2014-11-24 | 2015-03-11 | 中国石油大学(北京) | Horizontal well steam drive two-dimensional physical simulation experimental device for thin bed heavy oil reservoir |
| CN104500013A (en) * | 2014-12-17 | 2015-04-08 | 中国石油大学(北京) | Multifunctional three-dimensional physical simulation experimental apparatus for thermal recovery by steam injection |
| CN204267011U (en) * | 2014-11-24 | 2015-04-15 | 中国石油大学(北京) | Thin heavy oil horizontal well steam flooding two-dimensional physical analogue experiment installation |
| CN104747148A (en) * | 2014-12-26 | 2015-07-01 | 中国石油化工股份有限公司 | Thin and shallow layer super heavy oil horizontal well, viscosity reducer, nitrogen and steam assisted huff and puff method |
| RU2578137C1 (en) * | 2015-01-21 | 2016-03-20 | Открытое акционерное общество "Татнефть" имени В.Д. Шашина | Method for development of high-viscosity oil deposit |
| CN105649588A (en) * | 2014-11-12 | 2016-06-08 | 中国石油天然气股份有限公司 | Method for exploiting heavy oil reservoir by using SAGD (steam assisted gravity drainage) |
| CN105696990A (en) * | 2016-03-02 | 2016-06-22 | 中国石油天然气股份有限公司 | Profile control method for gas channeling channel of fireflooding gas injection well and tubular column thereof |
| CN106285593A (en) * | 2015-06-26 | 2017-01-04 | 中国石油化工股份有限公司 | Horizontal well steam drives physical model and experimental technique |
| CN106968654A (en) * | 2017-04-10 | 2017-07-21 | 中国石油化工股份有限公司 | Method is altered in a kind of profile control suppression of heavy crude well |
| US20170314377A1 (en) * | 2016-04-29 | 2017-11-02 | Petrochina Company Limited | Method for Enhancing Oil Recovery in Huff-Puff Oil Production of Tight Oil from a Fractured Horizontal Well |
| CN107366527A (en) * | 2017-07-26 | 2017-11-21 | 中国石油天然气股份有限公司 | Gas foam assisted steam flooding thickened oil production simulation experiment device and experiment method |
| CN107664030A (en) * | 2016-07-29 | 2018-02-06 | 中国石油化工股份有限公司 | Super-heavy oil deposit horizontal well steam drives the method for improving recovery ratio |
| CN107664031A (en) * | 2016-07-29 | 2018-02-06 | 中国石油化工股份有限公司 | The method for improving recovery ratio by determining horizontal well steam flooding well web form |
| CN107832481A (en) * | 2017-08-03 | 2018-03-23 | 中国石油化工股份有限公司 | A kind of partition method handled up for heavy crude reservoir combined steam |
| CN107893647A (en) * | 2017-11-23 | 2018-04-10 | 中国石油天然气股份有限公司 | Method and system for exploiting heavy oil reservoir through air foam assisted steam flooding |
-
2018
- 2018-07-16 CN CN201810775398.4A patent/CN109113731B/en active Active
Patent Citations (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3997004A (en) * | 1975-10-08 | 1976-12-14 | Texaco Inc. | Method for recovering viscous petroleum |
| US4177752A (en) * | 1978-08-24 | 1979-12-11 | Texaco Inc. | High vertical conformance steam drive oil recovery method |
| US5417283A (en) * | 1994-04-28 | 1995-05-23 | Amoco Corporation | Mixed well steam drive drainage process |
| CA2342955A1 (en) * | 2001-04-04 | 2002-10-04 | Roland P. Leaute | Liquid addition to steam for enhancing recovery of cyclic steam stimulation or laser-css |
| CN101122224A (en) * | 2006-08-11 | 2008-02-13 | 中国石油天然气股份有限公司 | Gravity assisted steam flooding exploitation method for thick-layer common heavy oil reservoir |
| CN101818636A (en) * | 2010-05-24 | 2010-09-01 | 中国石油天然气股份有限公司 | Three-dimensional simulation test device for oil extraction by injecting multi-element thermal fluid |
| CN102080522A (en) * | 2011-01-06 | 2011-06-01 | 中国石油化工股份有限公司 | Oil extraction method for oil deposit of shallow-layer super heavy oil |
| CN202381062U (en) * | 2011-09-29 | 2012-08-15 | 中国石油化工股份有限公司 | Three-dimensional physical simulation system for heavy oil horizontal well steam drive |
| CN103032057A (en) * | 2011-09-29 | 2013-04-10 | 中国石油化工股份有限公司 | Steam-driven three-dimensional physical simulation system for thick oil horizontal well |
| CN102748018A (en) * | 2012-07-23 | 2012-10-24 | 中国石油天然气股份有限公司 | Heavy oil reservoir gas injection huff-puff oil production physical simulation experiment device and method |
| CN102852505A (en) * | 2012-09-24 | 2013-01-02 | 于文英 | Oil production method for thin-medium thick layer super heavy oil hard-to-recover reserve |
| CN102900415A (en) * | 2012-09-25 | 2013-01-30 | 中国石油天然气股份有限公司 | Deep and ultra-deep heavy oil reservoir double-horizontal well fire flooding oil drainage exploitation method |
| CN103161458A (en) * | 2013-02-28 | 2013-06-19 | 中国海洋石油总公司 | Experimental device for simulating heavy oil reservoir gas auxiliary steam thermal oil recovery and special model system thereof |
| CN103174403A (en) * | 2013-03-08 | 2013-06-26 | 中国石油天然气股份有限公司 | Gravity and steam flooding combined mining method for thick-layer interlayer-containing common heavy oil reservoir |
| CN203594427U (en) * | 2013-09-18 | 2014-05-14 | 龚姚进 | Edge water heavy oil reservoir steam-drive two-dimensional proportion physical simulation device |
| CN103452540A (en) * | 2013-09-18 | 2013-12-18 | 张方礼 | Edge water heavy oil reservoir steam-drive two-dimensional proportion physical simulation device and application method thereof |
| CN103603637A (en) * | 2013-10-28 | 2014-02-26 | 中国石油天然气股份有限公司 | Experimental device and system for exploiting super heavy oil by gas-assisted SAGD (steam assisted gravity drainage) |
| CN105649588A (en) * | 2014-11-12 | 2016-06-08 | 中国石油天然气股份有限公司 | Method for exploiting heavy oil reservoir by using SAGD (steam assisted gravity drainage) |
| CN104405356A (en) * | 2014-11-24 | 2015-03-11 | 中国石油大学(北京) | Horizontal well steam drive two-dimensional physical simulation experimental device for thin bed heavy oil reservoir |
| CN204267011U (en) * | 2014-11-24 | 2015-04-15 | 中国石油大学(北京) | Thin heavy oil horizontal well steam flooding two-dimensional physical analogue experiment installation |
| CN104500013A (en) * | 2014-12-17 | 2015-04-08 | 中国石油大学(北京) | Multifunctional three-dimensional physical simulation experimental apparatus for thermal recovery by steam injection |
| CN104747148A (en) * | 2014-12-26 | 2015-07-01 | 中国石油化工股份有限公司 | Thin and shallow layer super heavy oil horizontal well, viscosity reducer, nitrogen and steam assisted huff and puff method |
| RU2578137C1 (en) * | 2015-01-21 | 2016-03-20 | Открытое акционерное общество "Татнефть" имени В.Д. Шашина | Method for development of high-viscosity oil deposit |
| CN106285593A (en) * | 2015-06-26 | 2017-01-04 | 中国石油化工股份有限公司 | Horizontal well steam drives physical model and experimental technique |
| CN105696990A (en) * | 2016-03-02 | 2016-06-22 | 中国石油天然气股份有限公司 | Profile control method for gas channeling channel of fireflooding gas injection well and tubular column thereof |
| US20170314377A1 (en) * | 2016-04-29 | 2017-11-02 | Petrochina Company Limited | Method for Enhancing Oil Recovery in Huff-Puff Oil Production of Tight Oil from a Fractured Horizontal Well |
| CN107664030A (en) * | 2016-07-29 | 2018-02-06 | 中国石油化工股份有限公司 | Super-heavy oil deposit horizontal well steam drives the method for improving recovery ratio |
| CN107664031A (en) * | 2016-07-29 | 2018-02-06 | 中国石油化工股份有限公司 | The method for improving recovery ratio by determining horizontal well steam flooding well web form |
| CN106968654A (en) * | 2017-04-10 | 2017-07-21 | 中国石油化工股份有限公司 | Method is altered in a kind of profile control suppression of heavy crude well |
| CN107366527A (en) * | 2017-07-26 | 2017-11-21 | 中国石油天然气股份有限公司 | Gas foam assisted steam flooding thickened oil production simulation experiment device and experiment method |
| CN107832481A (en) * | 2017-08-03 | 2018-03-23 | 中国石油化工股份有限公司 | A kind of partition method handled up for heavy crude reservoir combined steam |
| CN107893647A (en) * | 2017-11-23 | 2018-04-10 | 中国石油天然气股份有限公司 | Method and system for exploiting heavy oil reservoir through air foam assisted steam flooding |
Non-Patent Citations (17)
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613214A (en) * | 2019-01-15 | 2019-04-12 | 中国地质大学（北京） | For studying interlayer to the experimental provision of SAGD mining effect |
| CN109613214B (en) * | 2019-01-15 | 2020-05-12 | 中国地质大学（北京） | Experimental device for be used for studying intermediate layer to SAGD exploitation influence |
| CN113006756A (en) * | 2019-12-20 | 2021-06-22 | 中国石油天然气股份有限公司 | Three-dimensional device, experimental system and method for simulating flooding and drainage combined exploitation of super heavy oil |
| CN114814175A (en) * | 2021-01-28 | 2022-07-29 | 中国石油天然气股份有限公司 | Three-dimensional simulation experiment device and method for foam oil |
| CN114814175B (en) * | 2021-01-28 | 2024-04-30 | 中国石油天然气股份有限公司 | Foam oil three-dimensional simulation experiment device and method |
| CN115199246A (en) * | 2021-04-12 | 2022-10-18 | 中国石油天然气股份有限公司 | Simulation system and method for exploiting ultra-thick oil |
| CN115434678A (en) * | 2021-06-02 | 2022-12-06 | 中国石油天然气股份有限公司 | Thickened oil reservoir air injection huff and puff oil production physical simulation experiment device |
| CN115434678B (en) * | 2021-06-02 | 2023-11-28 | 中国石油天然气股份有限公司 | Physical simulation experiment device for oil recovery by injecting air into heavy oil reservoir and huff and puff |
| CN114352248A (en) * | 2021-12-17 | 2022-04-15 | 常州大学 | Two-dimensional physical simulation experiment device for heavy oil thermal recovery and use method thereof |
| CN114352248B (en) * | 2021-12-17 | 2023-09-26 | 常州大学 | Two-dimensional physical simulation experiment device for thickened oil thermal recovery and application method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109113731B (en) | 2022-06-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109113731A (en) | Vertical well and horizontal well combined steam flooding thickened oil exploitation physical simulation system and method | |
| CN108830020B (en) | A method of the micro- Fracturing Technology crack extension of simulation offshore oilfield | |
| CN110242266B (en) | Temporary plugging segmented expansion reservoir reconstruction method for SAGD horizontal well group | |
| CN107762498B (en) | Pressure analysis method for vertical well volume fracturing two-zone of tight gas reservoir | |
| CN102278103B (en) | Method for improving deep super heavy oil reservoir recovery ratio by gravity drainage assisted steam flooding | |
| US4597444A (en) | Method for excavating a large diameter shaft into the earth and at least partially through an oil-bearing formation | |
| US5273111A (en) | Laterally and vertically staggered horizontal well hydrocarbon recovery method | |
| Bao et al. | On the physics of cyclic steam stimulation | |
| CN103603637B (en) | Experimental device and system for exploiting super heavy oil by gas-assisted SAGD (steam assisted gravity drainage) | |
| CN103174403B (en) | Gravity and steam flooding combined mining method for thick-layer interlayer-containing common heavy oil reservoir | |
| CN103422838B (en) | Carbon dioxide huff and puff enhanced oil production method | |
| CN103089224A (en) | Fracturing method for comprehensively controlling fracture height | |
| CN102272418A (en) | Method for estimation of sagd process characteristics | |
| CN203626767U (en) | Experimental device and system for exploiting super heavy oil by gas-assisted SAGD (steam assisted gravity drainage) | |
| CN107830907B (en) | A kind of underground water seal cave depot water curtain system structure dynamic design method | |
| CN101089362A (en) | Improved steam huff and puff oil production method | |
| RU2342522C1 (en) | Cyclic method of hydrocarbon deposits development of wells with horizontal borehole | |
| CN104895541A (en) | Method for breaking interlayer in oil layer during double-horizontal-well SAGD exploitation | |
| CN104747148A (en) | Thin and shallow layer super heavy oil horizontal well, viscosity reducer, nitrogen and steam assisted huff and puff method | |
| CN108590611B (en) | Forming device and experimental method for injecting superheated steam to oil extraction simulation oil reservoir steam cavity | |
| Zan et al. | Experimental and simulation studies of steam flooding process in shallow, thin extra-heavy oil reservoirs | |
| CN103590798A (en) | Method for determining soaking time of super heavy oil steam injection oil production and calculating device | |
| US9784090B2 (en) | Method for selecting the location of a stimulating geothermal well | |
| CN205743867U (en) | Well pattern for adjusting fire flooding auxiliary gravity drainage live wire form by utilizing horizontal exhaust well | |
| CN107558975B (en) | Method for improving later development of steam assisted gravity drainage by using viscosity reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |